H ELECTRICITY
H05 ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
H05K PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
H05K2201/00 Indexing scheme relating to printed circuits covered by H05K1/00
H05K2201/20 Details of printed circuits not provided for in H05K2201/01 - H05K2201/10
H05K2201/2036 Permanent spacer or stand-off in a printed circuit or printed circuit assembly